On 4/16/2024 7:56 PM, Alex Deucher wrote:
On Tue, Apr 16, 2024 at 9:34 AM Sunil Khatri <sunil.khatri@xxxxxxx> wrote:Enable redirection of irq for pagefaults for specific clients to avoid overflow without dropping interrupts. So here we redirect the interrupts to another IH ring i.e ring1 where only these interrupts are processed. Signed-off-by: Sunil Khatri <sunil.khatri@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/ih_v6_0.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c index 26dc99232eb6..8869aac03b82 100644 --- a/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/ih_v6_0.c @@ -346,6 +346,21 @@ static int ih_v6_0_irq_init(struct amdgpu_device *adev) DELAY, 3); WREG32_SOC15(OSSSYS, 0, regIH_MSI_STORM_CTRL, tmp); + /* Redirect the interrupts to IH RB1 fpr dGPU */fpr -> for
Sure will fix it when pushing the change to staging branch. Regards Sunil khatri
Alex+ if (adev->irq.ih1.ring_size) { + tmp = RREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_INDEX); + tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_INDEX, INDEX, 0); + WREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_INDEX, tmp); + + tmp = RREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_DATA); + tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, CLIENT_ID, 0xa); + tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, SOURCE_ID, 0x0); + tmp = REG_SET_FIELD(tmp, IH_RING1_CLIENT_CFG_DATA, + SOURCE_ID_MATCH_ENABLE, 0x1); + + WREG32_SOC15(OSSSYS, 0, regIH_RING1_CLIENT_CFG_DATA, tmp); + } + pci_set_master(adev->pdev); /* enable interrupts */ -- 2.34.1
